Deciphering Weld Symbols, Part 2: Groove Welds

PLUG AND SLOT WELDING SYMBOLS a General Neither the plug weld symbol nor the slot weld symbol may be used to designate fillet welds in holes b Arrow

4 Plug and slot welds are not to be used except where access to both sides Weld type

archmage slot A · Butt weld ; B · slot weld ; C · Plug weld ; D · Fillet weld

aliens slot A weld made through holes in one member of a lap joint is a plug weld When the holes are elongated, it's called a slot weld Depending on the work,